Overview A quality management system (QMS) is a structured framework that defines and documents an organization’s processes, procedures, and responsibilities for achieving quality policies, practices, …

Learn the differences between quality assurance and quality control. Explore definitions, examples, and how QA and QC ensure quality.

ASQ is a global leader in quality and consists of a community of passionate people who use their tools, ideas and expertise to make our world better.

Start your quality journey by mastering the 7 Basic Tools of Quality at the world’s largest society for quality, ASQ.org.

Learn more about how to certify to ISO 9001:2015 and transition from ISO 9001:2008. Buy the official quality management systems standard from ASQ.org.

The Eight Disciplines (8D) are a problem solving tool used to correct, identify and remove recurring issues halting the production process. Learn more about 8D analysis at ASQ.org.

The authors discuss the philosophies of eight quality experts - Crosby, Deming, Feigenbaum, Ishikawa, Juran, Pirsig, Shewhart, and Taguchi - each of whose definition of quality is presented in sidebar …

Total Quality Management Overview Total quality management (TQM) is a term first used to describe a management approach to quality improvement. Since then, TQM has taken on many meanings but …

Overview A fishbone diagram, sometimes referred to as a cause-and-effect diagram or an Ishikawa diagram, is a quality tool that helps users identify the many possible causes for a problem by sorting …

The Plan–Do–Check–Act cycle is a four-step model for carrying out change. Learn more about the PDCA cycle and how to implement the model at ASQ.org.